This is an idea I had when one of my gameboy games broke( i know its old).  I will post an instructables one i can get my other gameboy cartridge open :D.
<p>How do you make it?</p>
Nice idea! I like USB's made out of old things. You should enter this into the <a href="https://www.instructables.com/contest/holidaygifts2012">Holiday Gifts Contest</a>!

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More by c3ralki1l3r:Gameboy Cartridge USB How to make your Lego Motorized Crane be able to use different attachments 
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